

In this instance, however, the company appears to be focusing on the manner of CCleaner's distribution as part of a multi-program software bundle as its main concern. Microsoft has long scoffed at third-party registry cleaners as potentially causing problems. Microsoft Defender (until this May known as Windows Defender) has begun tagging the free version of Avast CCleaner as a PUA-Potentially Unwanted Application.ĬCleaner excels at detecting and resolving common computer registry problems such as missing references to shared DLLs, unused registry entries for file extensions, and missing references to association paths. This week, Microsoft told CCleaner: "You're not wanted any more."
